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Merge "Camera2: Update logical multi-camera requirement"

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TreeHugger Robot
2018-02-16 01:34:00 +00:00
committed by Android (Google) Code Review
parent 1bd97fa287 03d36e2f74
commit 9d06b00ac5
1 changed files with 9 additions and 4 deletions
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13
core/java/android/hardware/camera2/CameraMetadata.java
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@@ -829,19 +829,24 @@ public abstract class CameraMetadata<TKey> {
* <li>{@link CameraCharacteristics#LENS_RADIAL_DISTORTION android.lens.radialDistortion}</li>
* </ul>
* </li>
* <li>The SENSOR_INFO_TIMESTAMP_SOURCE of the logical device and physical devices must be
* the same.</li>
* <li>The logical camera device must be LIMITED or higher device.</li>
* </ul>
* <p>Both the logical camera device and its underlying physical devices support the
* mandatory stream combinations required for their device levels.</p>
* <p>Additionally, for each guaranteed stream combination, the logical camera supports:</p>
* <ul>
* <li>Replacing one logical {@link android.graphics.ImageFormat#YUV_420_888 YUV_420_888}
* <li>For each guaranteed stream combination, the logical camera supports replacing one
* logical {@link android.graphics.ImageFormat#YUV_420_888 YUV_420_888}
* or raw stream with two physical streams of the same size and format, each from a
* separate physical camera, given that the size and format are supported by both
* physical cameras.</li>
* <li>Adding two raw streams, each from one physical camera, if the logical camera doesn't
* advertise RAW capability, but the underlying physical cameras do. This is usually
* the case when the physical cameras have different sensor sizes.</li>
* <li>If the logical camera doesn't advertise RAW capability, but the underlying physical
* cameras do, the logical camera will support guaranteed stream combinations for RAW
* capability, except that the RAW streams will be physical streams, each from a separate
* physical camera. This is usually the case when the physical cameras have different
* sensor sizes.</li>
* </ul>
* <p>Using physical streams in place of a logical stream of the same size and format will
* not slow down the frame rate of the capture, as long as the minimum frame duration